If you experience crashes, blue or black screens, performance issues, or your computer locks up while playing, follow the steps below to resolve these issues.

General information on the Starter Edition of StarCraft II

Instructions on lowering the maximum frame rate.

How to reset the World of Warcraft User Interface

WoW Token was misplaced or disappeared from inventory

This occurs because your game client does not match the version on our servers.

Information on how to restore your Diablo III character

How to block communication from another player in StarCraft II.

How to block communication from another player in Heroes of the Storm.

Black Screen when starting StarCraft II.